Kohler K582

Kohler K582The Kohler K582 is a 946 cc,(57.7 cu·in) natural aspirated, two-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Kohler Co., for general-purpose applications.

The cylinder bore is 88.9 mm (3.5 in) and the piston stroke is 76.2 mm (3.0 in). The Kohler K582 engine produced 23.3 PS (17.1 kW; 23.0 HP) at 3,600 rpm of maximum output power.

The Kohler K582 features:

  • L-head (side valve) design
  • Battery ignition system
  • Downdraft or side-draft carburetor
  • Pressurized lubrication system by gear type pump
  • Forced air cooling system
  • Electric starter

General information

Engine Specifications
Engine model K582
Engine type 4-stroke, L-head (side valve), two-cylinders
Displacement 946 cm3, (57.7 cu·in)
Max. horsepower 23.3 PS (17.1 kW; 23.0 HP) at 3,600 rpm
Cooling system Forced air
Air cleaner Paper air cleaner (oiled foam precleaner, option)
Lubricating system Pressurized
Ignition system Battery ignition system
Fuel system Downdraft or side-draft carburetor
Starting system Electric starter
Dimensions (L x W X H)
Dry weight 85.0 kg (187.4 lbs)

Cylinder Block and Head

Cylinder block
Cylinder bore: 88.9 mm (3.5 in)
Piston stroke: 76.2 mm (3 in)
Cylinder internal diameter (standard): 88.9127-88.8873 mm (3.5005-3.4995 in)
Piston skirt outer diameter (standard): 88.7501-88.7095 mm (3.4941-3.4925 in)
Number of piston rings (compression / oil): 2/1
Connecting rod small end diameter (standard): 22.2428-22.2504 mm (0.8757-0.876 in)
Piston pin diameter: 22.2300-22.2352 mm (0.8752-0.8754 in)
Ring end gap (Top): 0.254-0.508 mm (0.01-0.02 in)
Ring end gap (Second): 0.254-0.508 mm (0.01-0.02 in)
Crankshaft main journal diameter: 44.9986-45.0113 mm (1.7716-1.7721 in)
Crankpin journal diameter: 41.2623-41.2750 mm (1.6245-1.625 in)
Crankshaft center distance: 38.1 mm (1.5 in)
Cylinder head
Valve arrangement: L-head (side valve)
Valves: 2,(4 valves in total)
Valve steam diameter (INTAKE): 7.8867-7.8994 mm (0.3105-0.311 in)
Valve steam diameter (EXHAUST): 7.8334-7.8511 mm (0.3084-0.3091 in)

Service Data

Maximum speed: 3,600 rpm
Valve clearance
Intake valve clearance (COLD): 0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance (COLD): 0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system: Pressurized
Oil type: SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity: Without oil filter: 2.8 L (2.96 US. qt, 2.46 Imp. qt.)
With oil filter: 3.3 L (3.5 US. qt, 2.9 Imp. qt.)
Fuel system
Type: Downdraft or side-draft carburetor
Ignition system
Type: Battery ignition system
Spark plug: Champion RH10
Spark plug gap: 0.65 mm (0.0256 in)
Spark plug torque: 27 N·m (2.8 kg·m, 19.9 ft·lb)


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